Decimation of a high definition video signal
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United States of America Patent
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-
Jun 26, 2001
Grant Date -
N/A
app pub date -
Jul 31, 1998
filing date -
Jul 31, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A video processor receives coded digital image data which is decoded into MPEG compatible pixel blocks. The pixel blocks are horizontally and vertically decimated to produce a reduced size image suitable for picture-in-picture, picture-on-picture, or picture-in-graphics display. Decoded input data to the decimation network is alias filtered and decimated at a factor of 8 to 3. Decimated output pixel data is derived solely from a respectively associated decoded input pixel block.
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